By John Ashley | Tumacacori, Arizona, USA

By Hassan Dadashi . Arani | Esfahan province. Iran

By Andy Dungan | Near Cotopaxi, CO USA

By David Perry | San Antonio, Texas, USA

By Abhijit Patil | Lick Observatory, Mt. Hamilton, CA, USA

By Gontran Eleizalde | Caracas - Venezuela

By Ross Stone | Lone Pine, CA, USA

By Filipp Romanov | Yuzhno-Morskoy, Nakhodka, Russia

By Abhinav Deka | Mangaldoi, Darrang, Assam

By Paul C. Peh | Honolulu, HI, USA

By Cecille Kennedy | Oregon Coast, Oregon

By Brenda J. | Tacoma, WASHINGTON

By Patricio Leon | Santiago, Chile

By matthew chin | Hong Kong

By Susan Colosimo | Angeles National Forest, Southern Cal

By Elke Schulz | Obstech El Sauce Observatory, Río Hurtado, Chile